as i say from pennsylvania. it is one of the deadliest shooting rampagesinu.s. history.all morning, we'll bring you updates on the victims and the investigation. we now know the name of the newtown shooter. we'll dig in on what was behind his monstrous act and a second crime scene tied to the first. what investigators found when they went to the suspected gunman's house. >>> i'm here in newtown, pennsylvania. behind me some distance is the school at which this tragic shooting took place. we have this story covered from all angles. i want to bring in my colleague john berman in newtown, in the town square. john, bring us up to speed on what we've seen since yesterday evening. >> hey, ali, i'm standing in front of the st. rose of lima church where last night there was an emotional vigil with about 1,000 people here. residents poured in for the 26 victims of this tragic attack. of course, 20 children were killed, six adults, all at the elementary school. and we're learning more about the shooter, which we're going to get into in a moment. but first, let's focus right now on the victim

adults victim of the shooting in newtown, connecticut, parenttoldustheywere in a meeting yesterday with the principal and vice principal along with mary sherlock when they heard the loud pop, pop, pop, they went to check that out in the hallway. sherlock and the principal didn't return alive. just a very solemn outcome to that. sherlock was part of a team that was really relied upon there at sandy hook elementary. she was part of the school's crisis intervention team, ali. so even in a time like this when people are turning to those for comfort, she's no longer with us. ali? >> yeah, sad story. nick valencia at the cnn center in atlanta. thanks, nick. >>> good morning, everyone. i'm ali velshi. you're watching our special coverage of the connecticut school shooting. i'm in newtown, connecticut, about a block away from the school which is roughly behind me. a block away from the scene of the horrible massacre. here's what we know right now. in about an hour, officials are expected to start releasing the names of the victims. we've learned the names of two of the adults, the principa